Claims
- 1. A gelled anode mixture comprising a metal alloy powder, a gelling agent, an alkaline electrolyte having a hydroxide concentration less than 40%, and surfactant having the general formula Y SOx−.
- 2. A gelled anode mixture as claimed in claim 1 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 3. A gelled anode mixture as claimed in claim 1 wherein the surfactant is a salt of a sulfated octadecanoic acid.
- 4. A gelled anode mixture as claimed in claim 1 wherein the surfactant is a sodium salt of sulfated oleic acid.
- 5. A gelled anode mixture as claimed in claim 1 wherein the surfactant is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 6. A gelled anode mixture as claimed in claim 1 further comprising an organic phosphate ester surfactant.
- 7. A gelled anode mixture as claimed in claim 6 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 8. A gelled anode mixture as claimed in claim 6 wherein the organic phosphate ester surfactant is RM-510.
- 9. A gelled anode mixture as claimed in claim 6 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 10. A gelled anode mixture as claimed in claim 9 wherein the surfactant of claim 1 is a salt of a sulfated octadecanoic acid.
- 11. A gelled anode mixture as claimed in claim 9 wherein the surfactant of claim 1 is a sodium salt of sulfated oleic acid.
- 12. A gelled anode mixture as claimed in claim 9 wherein the surfactant of claim 1 is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 13. A gelled anode mixture as claimed in claim 12 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 14. A gelled anode mixture as claimed in claim 13 wherein the organic phosphate ester surfactant is RM-510.
- 15. A gelled anode mixture as claimed in claim 5 wherein the surfactant is present at a concentration ranging substantially between 0.001% and 0.06% relative to the gelled anode mixture.
- 16. A gelled anode mixture as claimed in claim 15, wherein the surfactant is present at a concentration ranging substantially between 0.002% and 0.03% relative to the gelled anode mixture.
- 17. A gelled anode mixture as claimed in claim 5, wherein the surfactant is present at a concentration ranging substantially between 0.0015% and 0.09% relative to the metal in the gelled anode mixture.
- 18. A gelled anode mixture as claimed in claim 17, wherein the surfactant is present at a concentration ranging substantially between 0.003% and 0.045% relative to the metal in the gelled anode mixture.
- 19. A gelled anode mixture as claimed in claim 6, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0003% and 0.02% relative to the gelled anode mixture.
- 20. A gelled anode mixture as claimed in claim 19, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0003% and 0.005% relative to the gelled anode mixture.
- 21. A gelled anode mixture as claimed in claim 6, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0004% and 0.02% relative to the metal in the gelled anode mixture.
- 22. A gelled anode mixture as claimed in claim 21, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0004% and 0.0075% relative to the metal in the gelled anode mixture.
- 23. A gelled anode mixture as claimed in claim 1, further comprising zinc particles of −140 mesh size.
- 24. A gelled anode mixture as claimed in claim 23, wherein the zinc particles are present at a concentration less than 10% relative to the amount of metal in the mixture.
- 25. A gelled anode mixture as claimed in claim 24, wherein the zinc particles are present at a concentration of between 4% and 8%.
- 26. A gelled anode mixture as claimed in claim 24, wherein the zinc particles are present at a concentration of substantially 8%.
- 27. A gelled anode mixture as claimed in claim 23, wherein the zinc particles are between +200 and −140 mesh size.
- 28. A gelled anode mixture as claimed in claim 27, wherein the hydroxide concentration is between 20% and 30%.
- 29. A gelled anode mixture as claimed in 23, wherein the zinc particles comprise zinc fines between +625 and −200 mesh size.
- 30. A gelled anode mixture as claimed in claim 29, wherein the hydroxide has a concentration between 30% and 40%.
- 31. A gelled anode mixture as claimed in claim 23, wherein the zinc is a zinc alloy.
- 32. A gelled anode mixture as claimed in claim 1, wherein the hydroxide concentration is substantially between 20% and 40%.
- 33. A gelled anode mixture as claimed in claim 32, wherein the hydroxide concentration is substantially between 30% and 40%.
- 34. A gelled anode mixture as claimed in claim 33, wherein the hydroxide concentration is substantially 34%.
- 35. A gelled anode mixture as claimed in claim 1, wherein the hydroxide comprises KOH.
- 36. A gelled anode mixture comprising a metal alloy powder, a gelling agent, an alkaline electrolyte, zinc particles of−140 mesh size, and a surfactant having the general formula Y SOx−.
- 37. A gelled anode mixture as claimed in claim 36 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 38. A gelled anode mixture as claimed in claim 36 wherein the surfactant is a salt of a sulfated octadecanoic acid.
- 39. A gelled anode mixture as claimed in claim 36 wherein the surfactant is a sodium salt of sulfated oleic acid.
- 40. A gelled anode mixture as claimed in claim 36 wherein the surfactant is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 41. A gelled anode mixture as claimed in claim 36 further comprising an organic phosphate ester surfactant.
- 42. A gelled anode mixture as claimed in claim 41 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 43. A gelled anode mixture as claimed in claim 41 wherein the organic phosphate ester surfactant is RM-510.
- 44. A gelled anode mixture as claimed in claim 41 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 45. A gelled anode mixture as claimed in claim 44 wherein the surfactant of claim 33 is a salt of a sulfated octadecanoic acid.
- 46. A gelled anode mixture as claimed in claim 44 wherein the surfactant of claim 33 is a sodium salt of sulfated oleic acid.
- 47. A gelled anode mixture as claimed in claim 44 wherein the surfactant of claim 33 is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 48. A gelled anode mixture as claimed in claim 47 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 49. A gelled anode mixture as claimed in claim 48 wherein the organic phosphate ester surfactant is RM-510.
- 50. A gelled anode mixture as claimed in claim 40 wherein the surfactant is present at a concentration ranging substantially between 0.001% and 0.06% relative to the gelled anode mixture.
- 51. A gelled anode mixture as claimed in claim 50, wherein the surfactant is present at a concentration ranging substantially between 0.002% and 0.03% relative to the gelled anode mixture.
- 52. A gelled anode mixture as claimed in claim 40, wherein the surfactant is present at a concentration ranging substantially between 0.0015% and 0.09% relative to the metal in the gelled anode mixture.
- 53. A gelled anode mixture as claimed in claim 52, wherein the surfactant is present at a concentration ranging substantially between 0.003% and 0.045% relative to the metal in the gelled anode mixture.
- 54. A gelled anode mixture as claimed in claim 41, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0003% and 0.02% relative to the gelled anode mixture.
- 55. A gelled anode mixture as claimed in claim 54, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0003% and 0.005% relative to the gelled anode mixture.
- 56. A gelled anode mixture as claimed in claim 41, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0004% and 0.02% relative to the metal in the gelled anode mixture.
- 57. A gelled anode mixture as claimed in claim 56, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0004% and 0.0075% relative to the metal in the gelled anode mixture.
- 58. A gelled anode mixture as claimed in claim 36, wherein the zinc particles are present at a concentration of less than 10% relative to the gelled anode mixture.
- 59. A gelled anode mixture as claimed in claim 58, wherein the zinc fines are present at a concentration of between 4% and 8% relative to the gelled anode mixture.
- 60. A gelled anode mixture as claimed in claim 58, wherein the zinc fines are present at a concentration of substantially 8% relative to the gelled anode mixture.
- 61. A gelled anode mixture as claimed in claim 36, wherein the zinc particles are between +200 and −140 mesh size.
- 62. A gelled anode mixture as claimed in claim 61, further comprising a hydroxide having a concentration between 20 and 30%.
- 63. A gelled anode mixture as claimed in claim 36, wherein the zinc particles comprise zinc fines of +625 and −200 mesh size.
- 64. A gelled anode mixture as claimed in claim 36, wherein the zinc particles are present at a concentration of 1% and 10%.
- 65. A gelled anode mixture as claimed in claim 36, wherein the electrolyte further comprising a hydroxide having a concentration between 20% and 40%.
- 66. A gelled anode mixture as claimed in claim 65, wherein the hydroxide has a concentration between 30% and 40%.
- 67. A gelled anode mixture as claimed in claim 65, wherein the hydroxide has a concentration between 20% and 30%.
- 68. A gelled anode mixture as claimed in claim 65, wherein the hydroxide is KOH.
- 69. A gelled anode mixture as claimed in claim 36, wherein the zinc particles include a zinc alloy.
- 70. A gelled anode mixture comprising a metal alloy powder, a gelling agent, an alkaline electrolyte having a hydroxide concentration less than 40%, and zinc particles of −140 mesh size.
- 71. A gelled anode mixture as claimed in claim 70, wherein the zinc particles are between +200 and −140 mesh size.
- 72. A gelled anode mixture as claimed in claim 71, wherein the hydroxide concentration is between 20% and 30%.
- 73. A gelled anode mixture as claimed in claim 70, wherein the zinc particles comprise zinc fines between +625 and −200 mesh size.
- 74. A gelled anode mixture as claimed in claim 73, wherein the hydroxide concentration is between 30% and 40%.
- 75. A gelled anode mixture as claimed in claim 74, wherein the hydroxide concentration is substantially 34%.
- 76. A gelled anode mixture as claimed in claim 70, wherein the zinc particles comprise a zinc alloy.
- 77. A gelled anode mixture as claimed in claim 70, wherein the hydroxide concentration is substantially between 20% and 40%.
- 78. A gelled anode mixture as claimed in claim 70, further comprising a surfactant having the general formula Y SOx−.
- 79. A gelled anode mixture as claimed in claim 78 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 80. A gelled anode mixture as claimed in claim 78 wherein the surfactant is a salt of a sulfated octadecanoic acid.
- 81. A gelled anode mixture as claimed in claim 78 wherein the surfactant is a sodium salt of sulfated oleic acid.
- 82. A gelled anode mixture as claimed in claim 78 wherein the surfactant is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 83. A gelled anode mixture as claimed in claim 78 further comprising an organic phosphate ester surfactant.
- 84. A gelled anode mixture as claimed in claim 83 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 85. A gelled anode mixture as claimed in claim 83 wherein the organic phosphate ester surfactant is RM-510.
- 86. A gelled anode mixture as claimed in claim 83 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 87. A gelled anode mixture as claimed in claim 86 wherein the surfactant of claim 33 is a salt of a sulfated octadecanoic acid.
- 88. A gelled anode mixture as claimed in claim 86 wherein the surfactant of claim 33 is a sodium salt of sulfated oleic acid.
- 89. A gelled anode mixture as claimed in claim 86 wherein the surfactant of claim 33 is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 90. A gelled anode mixture as claimed in claim 89 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 91. A gelled anode mixture as claimed in claim 90 wherein the organic phosphate ester surfactant is RM-510.
- 92. An alkaline electrochemical cell comprising:
a positive current collector; a cathode in contact with the positive current collector; a gelled anode comprising a metal alloy powder, a gelling agent, an alkaline electrolyte having a hydroxide concentration less than substantially 40%, and a surfactant having the general formula Y SOx−; a separator between the cathode and the anode; and a negative current collector in electrical contact with the anode.
- 93. An alkaline electrochemical cell as claimed in claim 92 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 94. An alkaline electrochemical cell as claimed in claim 92 wherein the surfactant is a salt of a sulfated octadecanoic acid.
- 95. An alkaline electrochemical cell as claimed in claim 92 wherein the surfactant is a sodium salt of sulfated oleic acid.
- 96. An alkaline electrochemical cell as claimed in claim 92 wherein the surfactant is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 97. An alkaline electrochemical cell as claimed in claim 92 further comprising an organic phosphate ester surfactant.
- 98. An alkaline electrochemical cell as claimed in claim 97 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 99. An alkaline electrochemical cell as claimed in claim 97 wherein the organic phosphate ester surfactant is RM-510.
- 100. An alkaline electrochemical cell as claimed in claim 97 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 101. An alkaline electrochemical cell as claimed in claim 100 wherein the surfactant of claim 66 is a salt of a sulfated octadecanoic acid.
- 102. An alkaline electrochemical cell as claimed in claim 100 wherein the surfactant of claim 66 is a sodium salt of sulfated oleic acid.
- 103. An alkaline electrochemical cell as claimed in claim 100 wherein the surfactant of claim 66 is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 104. An alkaline electrochemical cell as claimed in claim 103 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 105. An alkaline electrochemical cell as claimed in claim 104 wherein the organic phosphate ester surfactant is RM-510.
- 106. An alkaline electrochemical cell as claimed in claim 92 wherein the surfactant is present at a concentration ranging substantially between 0.001% and 0.06% relative to the gelled anode mixture.
- 107. An alkaline electrochemical cell as claimed in claim 106, wherein the surfactant is present at a concentration ranging substantially between 0.002% and 0.03% relative to the gelled anode mixture.
- 108. An alkaline electrochemical cell as claimed in claim 92, wherein the surfactant is present at a concentration ranging substantially between 0.0015% and 0.09% relative to the metal in the gelled anode mixture.
- 109. A gelled anode mixture as claimed in claim 108, wherein the surfactant is present at a concentration ranging substantially between 0.003% and 0.045% relative to the metal in the gelled anode mixture.
- 110. An alkaline electrochemical cell as claimed in claim 97, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0003% and 0.02% relative to the gelled anode mixture.
- 111. An alkaline electrochemical cell as claimed in claim 100, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0003% and 0.005% relative to the gelled anode mixture.
- 112. An alkaline electrochemical cell as claimed in claim 97, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0004% and 0.02% relative to the metal in the gelled anode mixture.
- 113. An alkaline electrochemical cell as claimed in claim 112, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0004% and 0.01% relative to the metal in the gelled anode mixture.
- 114. An alkaline electrochemical cell as claimed in claim 92, further comprising zinc particles of −140 mesh size.
- 115. A gelled anode mixture as claimed in claim 114, wherein the zinc particles are present at a concentration less than 10% relative to the amount of metal in the anode.
- 116. An alkaline electrochemical cell as claimed in claim 115, wherein the zinc particles are present at a concentration of between 4% and 10% relative to the amount of metal in the anode.
- 117. An alkaline electrochemical cell as claimed in claim 116, wherein the zinc particles are present at a concentration of substantially 8% relative to the amount of metal in the anode.
- 118. An alkaline electrochemical cell as claimed in claim 114, wherein the zinc particles are between +200 and −140 mesh size.
- 119. An alkaline electrochemical cell as claimed in 118, wherein the hydroxide concentration is between 20 and 30%.
- 120. An alkaline electrochemical cell as claimed in claim 114, wherein the zinc particles comprise zinc fines between +625 and −140 mesh size.
- 121. An alkaline electrochemical cell as claimed in claim 120, wherein the hydroxide concentration is between 30% and 40%.
- 122. An alkaline electrochemical cell as claimed in claim 92, wherein the hydroxide concentration is substantially between 20% and 40%.
- 123. An alkaline electrochemical cell as claimed in claim 92, wherein the separator is pre-wetted with electrolyte having a hydroxide concentration between 30% and 40%.
- 124. An alkaline electrochemical cell as claimed in claim 114, wherein the zinc particles comprise a zinc alloy.
- 125. An alkaline electrochemical cell comprising:
a positive current collector; a cathode in contact with the positive current collector; a gelled anode comprising a metal alloy powder, a gelling agent, an alkaline electrolyte, zinc particles having an average diameter less than 105 microns, and a surfactant having the general formula Y SOx−; a separator between the cathode and the anode; and a negative current collector in electrical contact with the anode.
- 126. An alkaline electrochemical cell as claimed in claim 125 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 127. An alkaline electrochemical cell as claimed in claim 125 wherein the surfactant is a salt of a sulfated octadecanoic acid.
- 128. An alkaline electrochemical cell as claimed in claim 125 wherein the surfactant is a sodium salt of sulfated oleic acid.
- 129. An alkaline electrochemical cell as claimed in claim 125 wherein the surfactant is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 130. An alkaline electrochemical cell as claimed in claim 125 further comprising an organic phosphate ester surfactant.
- 131. An alkaline electrochemical cell as claimed in claim 130 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 132. An alkaline electrochemical cell as claimed in claim 130 wherein the organic phosphate ester surfactant is RM-510.
- 133. An alkaline electrochemical cell as claimed in claim 130 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 134. An alkaline electrochemical cell as claimed in claim 133 wherein the surfactant of claim 99 is a salt of a sulfated octadecanoic acid.
- 135. An alkaline electrochemical cell as claimed in claim 133 wherein the surfactant of claim 99 is a sodium salt of sulfated oleic acid.
- 136. An alkaline electrochemical cell as claimed in claim 133 wherein the surfactant of claim 99 is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 137. An alkaline electrochemical cell as claimed in claim 136 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 138. An alkaline electrochemical cell as claimed in claim 137 wherein the organic phosphate ester surfactant is RM-510.
- 139. An alkaline electrochemical cell as claimed in claim 125 wherein the surfactant is present at a concentration ranging substantially between 0.001% and 0.06% relative to the gelled anode mixture.
- 140. An alkaline electrochemical cell as claimed in claim 139, wherein the surfactant is present at a concentration ranging substantially between 0.002% and 0.03% relative to the gelled anode mixture.
- 141. An alkaline electrochemical cell as claimed in claim 125, wherein the surfactant is present at a concentration ranging substantially between 0.0015% and 0.09% relative to the metal in the gelled anode mixture.
- 142. An alkaline electrochemical cell as claimed in claim 141, wherein the surfactant is present at a concentration ranging substantially between 0.003% and 0.045% relative to the metal in the gelled anode mixture.
- 143. An alkaline electrochemical cell as claimed in claim 130, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0003% and 0.02% relative to the gelled anode mixture.
- 144. An alkaline electrochemical cell as claimed in claim 147 wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0003% and 0.005% relative to the gelled anode mixture.
- 145. An alkaline electrochemical cell as claimed in claim 130, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0004% and 0.02% relative to the metal in the gelled anode mixture.
- 146. An alkaline electrochemical cell as claimed in claim 145, wherein the organic phosphate ester surfactant is present at a concentration ranging substantially between 0.0004% and 0.01% relative to the metal in the gelled anode mixture.
- 147. An alkaline electrochemical cell as claimed in claim 125, wherein the zinc particles are present at a concentration of less than 10% relative to the metal in the anode.
- 148. An alkaline electrochemical cell as claimed in claim 147, wherein the zinc particles are present at a concentration of between 4% and 8% relative to the gelled anode mixture.
- 149. An alkaline electrochemical cell as claimed in claim 148, wherein the zinc particles are present at a concentration of substantially 8% relative to the gelled anode mixture.
- 150. An alkaline electrochemical cell as claimed in claim 147, wherein the zinc particles are between +200 and −140 mesh size.
- 151. An alkaline electrochemical cell as claimed in 150, wherein the electrolyte has a hydroxide concentration between 20% and 30%.
- 152. An alkaline electrochemical cell as claimed in claim 125, wherein the zinc particles comprise zinc fines between +625 and 200 mesh size.
- 153. An alkaline electrochemical cell as claimed in claim 152, wherein the electrolyte comprises a hydroxide having a concentration substantially between 30% and 40%.
- 154. An alkaline electrochemical cell as claimed in claim 125, wherein the electrolyte has a hydroxide concentration substantially between 20% and 40%.
- 155. An alkaline electrochemical cell as claimed in claim 125, wherein the separator is pre-wetted with electrolyte having a hydroxide concentration between 30% and 40%.
- 156. An alkaline electrochemical cell as claimed in claim 125, wherein the zinc particles comprise a zinc alloy.
- 157. An alkaline electrochemical cell comprising:
a positive current collector; a cathode in contact with the positive current collector; a gelled anode mixture comprising a metal alloy powder, a gelling agent, an alkaline electrolyte having a hydroxide concentration less than 40%, and zinc particles of −140 mesh size; a separator between the cathode and the anode; and a negative current collector in electrical contact with the anode.
- 158. An alkaline electrochemical cell as claimed in claim 157, wherein the zinc particles are between +200 and −140 mesh size.
- 159. An alkaline electrochemical cell as claimed in claim 158, wherein the hydroxide concentration is between 20% and 30%.
- 160. An alkaline electrochemical cell as claimed in claim 157, wherein the zinc particles comprise zinc fines between +625 and −200 mesh size.
- 161. An alkaline electrochemical cell as claimed in claim 160, wherein the hydroxide concentration is between 30% and 40%.
- 162. An alkaline electrochemical cell as claimed in claim 161, wherein the hydroxide concentration is substantially 34%.
- 163. An alkaline electrochemical cell as claimed in claim 157, wherein the zinc particles comprise a zinc alloy.
- 164. An alkaline electrochemical cell as claimed in claim 157, wherein the hydroxide concentration is substantially between 20% and 40%.
- 165. An alkaline electrochemical cell as claimed in claim 157, further comprising a surfactant having the general formula Y SOx−.
- 166. An alkaline electrochemical cell as claimed in claim 165 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 167. An alkaline electrochemical cell as claimed in claim 165 wherein the surfactant is a salt of a sulfated octadecanoic acid.
- 168. An alkaline electrochemical cell as claimed in claim 165 wherein the surfactant is a sodium salt of sulfated oleic acid.
- 169. An alkaline electrochemical cell as claimed in claim 165 wherein the surfactant is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 170. An alkaline electrochemical cell as claimed in claim 165 further comprising an organic phosphate ester surfactant.
- 171. An alkaline electrochemical cell as claimed in claim 170 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 172. An alkaline electrochemical cell as claimed in claim 170 wherein the organic phosphate ester surfactant is RM-510.
- 173. An alkaline electrochemical cell as claimed in claim 170 wherein Y is selected from the group consisting of an alkyl group, an aryl group, an alkylaryl group, a carboxy acid group, and a salt of any of the foregoing.
- 174. An alkaline electrochemical cell as claimed in claim 173 wherein the surfactant of claim 33 is a salt of a sulfated octadecanoic acid.
- 175. An alkaline electrochemical cell as claimed in claim 173 wherein the surfactant of claim 33 is a sodium salt of sulfated oleic acid.
- 176. An alkaline electrochemical cell as claimed in claim 173 wherein the surfactant of claim 33 is selected from the group consisting of Witconate™ 1840X, Dyasulf 2031, Dymosol 2031, Freedom SOA-70, and Freedom SOA-70WV.
- 177. An alkaline electrochemical cell as claimed in claim 176 wherein the organic phosphate ester surfactant is an ethylene oxide-adduct type organic phosphate ester.
- 178. An alkaline electrochemical cell as claimed in claim 177 wherein the organic phosphate ester surfactant is RM-510.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This is a continuation-in-part of U.S. Ser. No. 10/090,137, filed Feb. 27, 2002 and entitled “Alkaline Cell with Gassing Inhibitors”, the disclosure of which is hereby incorporated by reference as if set forth in its entirety herein.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10090137 |
Feb 2002 |
US |
Child |
10375381 |
Feb 2003 |
US |